vtkDepthOfFieldPass.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkDepthOfFieldPass.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef vtkDepthOfFieldPass_h
#define vtkDepthOfFieldPass_h

#include "vtkRenderingOpenGL2Module.h" // For export macro
#include "vtkDepthImageProcessingPass.h"

class vtkDepthPeelingPassLayerList; // Pimpl
class vtkFrameBufferObject;
class vtkOpenGLHelper;
class vtkOpenGLRenderWindow;
class vtkTextureObject;

class VTKRENDERINGOPENGL2_EXPORT vtkDepthOfFieldPass : public vtkDepthImageProcessingPass
{
public:
  static vtkDepthOfFieldPass *New();
  vtkTypeMacro(vtkDepthOfFieldPass,vtkDepthImageProcessingPass);
  void PrintSelf(ostream& os, vtkIndent indent);


  vtkSetMacro(AutomaticFocalDistance,bool);
  vtkGetMacro(AutomaticFocalDistance,bool);
  vtkBooleanMacro(AutomaticFocalDistance,bool);

  virtual void Render(const vtkRenderState *s);

  void ReleaseGraphicsResources(vtkWindow *w);

 protected:
  vtkDepthOfFieldPass();

  virtual ~vtkDepthOfFieldPass();

  vtkFrameBufferObject *FrameBufferObject;
  vtkTextureObject *Pass1; // render target for the scene
  vtkTextureObject *Pass1Depth; // render target for the depth

  // Structures for the various cell types we render.
  vtkOpenGLHelper *BlurProgram;

  bool Supported;
  bool SupportProbed;

  bool AutomaticFocalDistance;

 private:
  vtkDepthOfFieldPass(const vtkDepthOfFieldPass&) VTK_DELETE_FUNCTION;
  void operator=(const vtkDepthOfFieldPass&) VTK_DELETE_FUNCTION;
};

#endif